Regular Expressions 101

Pro

Positive Lookahead(?="(test)"\s*:\s*(".*?"|\[.*?]))

"the literal " (34₁₀ / 42₈ / 22₁₆)

Group 1(test)

testthe literal text test (case sensitive)

"the literal " (34₁₀ / 42₈ / 22₁₆)

\s*any whitespace character, repeated any number of times

:the literal : (58₁₀ / 72₈ / 3A₁₆)

\s*any whitespace character, repeated any number of times

Group 2(".*?"|\[.*?])

1st Alternative".*?"

"the literal " (34₁₀ / 42₈ / 22₁₆)

.*?any character (except for line terminators), repeated any number of times

"the literal " (34₁₀ / 42₈ / 22₁₆)

2nd Alternative\[.*?]

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

.*?any character (except for line terminators), repeated any number of times

]the literal ] (93₁₀ / 135₈ / 5D₁₆)

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

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25 tokens

(?="(test)"\s*:\s*(".*?"|\[.*?]))

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